Introduction To Network

INTRODUCTION TO NETWORK

A network is a collection of computers and devices connected to each other. The network allows computers to communicate with each other and share resources and information.Or A network is a group of computers, printers, and other devices that are connected together with cables. Information travels over the cables, allowing network users to exchange documents & data with each other, print to the same printers, and generally share any hardware or software that is connected to the network. Each computer, printer, or other peripheral device that is connected to the network is called a node.
For making one Network minimum size of Computers should be 2, while maximumThere could be Millions of Computer. In one netwo6rk there could be different ComputerAnd different NOS (Network Operating System).
The Advance Research Projects Agency (ARPA) designed "Advanced Research Projects Agency Network" (ARPANET) for the United States Department of Defense. It was the first computer network in the world in late 1960's and early 1970's.